Manning, Kenneth V. Pennsylvania State University, University Park, Pennsylvania.
Last reviewed:January 2020
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A pair of flat circular coils of small cross section, with equal numbers of turns and equal diameters, arranged with a common axis, and connected in series to have a common current (Fig. 1). The purpose of the arrangement is to obtain a magnetic field HAB that is more nearly uniform than that of a single coil (Fig. 2) without the use of a long solenoid. See also: Solenoid (electricity)
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